The Preservation of Timber by Chemical Treatment at Mcintyre

SOME years ago it was general practice in Canadian mines to use the best timber available, just as it was cut from the tree. Later, to prevent 'borers' from getting into the wood while stacked in the yard, the bark was peeled off, cleaned up carefully, and burned to eliminate a breeding ground for these and other destructive insects.
Keywords: American Wood P erservers, preservative, spruce, Timber Yard Foreman, zinc chloride, Chloride, Chlorides, Fires, Mine, Mines, Treatment, Underground, zinc
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